Hello, how can i make a downloadable site or server, wherein my online members can download

Hello Admin,

Hello, how can i make a downloadable site or server, wherein my online members can download such digital products?

But i don't want to upload those digital products to my existing server.. so i am asking for your technical and professional advises what and where is the best solution for me to upload all of my digital products?

I am concern of my monthly bandwidth, that's why.

Thanks a lot. More power!